MIL-PRF-20042E
MIL-PRF-20042E, PERFORMANCE SPECIFICATION: FLANGE, PIPE , BRONZE (SILVER BRAZING) (16 SEP 1999) ., This specification covers 50, 100, 150, 250, and 400 pound silver brazing bronze pipe flanges for use with water, oil, gas, or steam service not to exceed 425 degrees Fahrenheit ( F).
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